IQQ SYNOPSIS OF THE HUMMING-BIRDS. 



amethyst feathers. Under surface sooty-brown. Upper tail coverts and tail dark 

 bluish-green. Under tail coverts grayish-white with the central part bluish. Wings 

 brown. Bill and feet black. Total length, 41 in. Wing, 2f in. Tail, 2^% in. 

 Culmen, y^ in. 



Female or yovng has no brilliant gorget ; but the throat is grayish-white, each 

 feather tipped with greenish-brown. I can perceive nothing in the specimens called 

 vidcanl by Mr. Gould, to separate them from the present species, and I do not con- 

 sider them distinct. 



5. Rhamphomicron ruficeps. 



Trochilus ( ?] ruficeps, Gould, P. Z. S. (1846), p. 89. 



Mdlisuga ruficeps. Gray, Gen. Birds, vol. i (1844), p. 112, sp. 29. 



Rhamphomicron ruficeps, Bon., Consp. Gen. Av., vol. i, p. 79 (1850). — Goui.d, Mon. Troch., vol. iii, pi. 188.— 



Id., Intr. Troch., octavo ed., p. 109 (1861).— Muls., Hist. Nat. Ois. Mouch., torn, iii, p. 171 (1876). 

 Chalcostigma ruficeps, Reich., Aufz. der Oolib., p. 12 (1853).— Id., Troch. Euum., p. 10 (1855). 

 Lampropogon ruficeps, Bon., Rev. and Mag. Zool. (18.54), p. 252. 



JTab. Peru (Whitely), Bolivia (Bridges) (Buckley). 



Mule. Front and crown dark chestnut-red. Upper surface bronzj'-green. Throat 

 metallic-green. Under surface dark buff spotted with green. Under tail coverts 

 pale buff. Tail greenish-bronze. Bill and feet black. Total lengtli, 3| in. Wing, 

 2j in. Tail, If in. Culmen, | in. (Specimen procured in Peru by H. Whitely, 

 9000 feet elevation.) 



Female. Upper surface bronzy-green. Under surface buff; rufous in the centre 

 of the throat, and flanks spotted with green. Wings purplish-brown. Tail greenish- 

 bronze. Bill and feet blaCk. Total length, 3j^g in. Wing, 2 iu. Tail, \\ in. 

 Culmen, y^ in. (Specimen procured by Buckley iu Bolivia.) 



6. Rhamphomicron microrhynchum. 



Ornismya microrhyncha, Boiss., Rev. Zool. (1839), p. 354. — Id., Mag. Zool. (1840), Ois., pi. 16. 



Trochilus hrachyrhynchus, Fras., P. Z. S. (1840), p. IG. 



Mellisuga microrhyncha, Gray, Gen. Birds, vol. i, p. 112, sp. 32 (1844-49). 



Rhamphomicron microrhyncha, Bon., Consp. Gen. Av., vol. i, p. 79 (1850).- — Gould, Mon. Troch., vol. iii, pi. 



189.— Id., Intr. Troch., octavo ed., p. 109 (1861).— Reich., Aufz. der Colib., p. 12 (1853).— Id., Trocli. 



Enum., p. 10 (1855).— Whitely, P. Z. S. (1873), p. 190.— Muls., Hist. Nat. Ois. Mouch., torn, iii, p. 1C2 



(1876). 

 Rhamiihromicrus microrhynchus. Bon., Rev. and Mag. Zool. (1854), p. 253. — Cab. and Hein., Mus. Hoin. Th., 



iii, p. 70 (1860). 



ITab. Columbia, Ecuador. 



Male. Head and upper surface shining purple. Wings purplish-brown. Throat 

 luminous grass-green. Under surface bronzy-green. Band of buff crosses the vent. 

 Tail black with a purplish-gloss. Under tail coverts bronzy-green edged with buff. 

 Bill and feet black. Total length, 3f in. Wing, 2 in. Tail, 2 in. Culmen, I in. 



Female. Upper surface bronzy-green. Throat huffy-white spotted with dull green. 

 Rest of tmder surface white spotted witli green. Tail purplish-black, two outer- 

 most feathers tipped with white. Bill and feet black. Total lengtli, 3| in. Wing, 

 2 in. Tail, 1§ in. Culmen, :j in. 



